}

    int writeWireFormat(final byte[] dst, final int dstIndex) {
        // write 0x20 in first byte
        dst[dstIndex] = 0x20;

        final byte tmp[] = Strings.getOEMBytes(this.name, this.config);
        int i;
        for (i = 0; i < tmp.length; i++) {
            dst[dstIndex + 2 * i + 1] = (byte) (((tmp[i] & 0xF0) >> 4) + 0x41);

            throws GeneralSecurityException {
        final byte[] p14 = new byte[14];
        final byte[] p21 = new byte[21];
        final byte[] p24 = new byte[24];
        final byte[] passwordBytes = Strings.getOEMBytes(password, tc.getConfig());
        int passwordLength = passwordBytes.length;

        // Only encrypt the first 14 bytes of the password for Pre 0.12 NT LM
        if (passwordLength > 14) {

     *
     * @param str the string to encode
     * @param config the configuration providing the OEM encoding
     * @return the string as bytes
     */
    public static byte[] getOEMBytes(final String str, final Configuration config) {
        if (str == null) {
            return new byte[0];
        }
        try {
            return str.getBytes(config.getOemEncoding());

    }

    @Test
    @DisplayName("writeBytesWireFormat with null path returns minimal bytes")
    void testWriteWhenPathIsNull() {
        // When path is null, Strings.getOEMBytes returns empty array, not NPE
        when(mockConfig.getOemEncoding()).thenReturn("windows-1252");
        SmbComQueryInformation nullPathCmd = new SmbComQueryInformation(mockConfig, null);
        byte[] buffer = new byte[50];

            byte[] filenameBytes = Strings.getUNIBytes(filename);
            System.arraycopy(filenameBytes, 0, buffer, 94, filenameBytes.length);
        } else {
            byte[] filenameBytes = Strings.getOEMBytes(filename, mockConfig);
            System.arraycopy(filenameBytes, 0, buffer, 94, filenameBytes.length);
        }

        return buffer;
    }

            dstIndex += str.length() * 2;
            dst[dstIndex] = (byte) '\0';
            dstIndex++;
            dst[dstIndex++] = (byte) '\0';
        } else {
            final byte[] b = Strings.getOEMBytes(str, this.getConfig());
            System.arraycopy(b, 0, dst, dstIndex, b.length);
            dstIndex += b.length;
            dst[dstIndex] = (byte) '\0';
            dstIndex++;
        }